[Extensions] Add an access check before executing native code in the renderer

extensions/renderer/object_backed_native_handler.h

Index: extensions/renderer/object_backed_native_handler.h
diff --git a/extensions/renderer/object_backed_native_handler.h b/extensions/renderer/object_backed_native_handler.h
index 9842b0be10f18704b88fb7365c27945222ad56eb..e3b63119b15aa4226f7735b667c6253933d74fee 100644
--- a/extensions/renderer/object_backed_native_handler.h
+++ b/extensions/renderer/object_backed_native_handler.h
@@ -45,6 +45,9 @@ class ObjectBackedNativeHandler : public NativeHandler {
   // to bind to base::Unretained.
   void RouteFunction(const std::string& name,
                      const HandlerFunction& handler_function);
+  void RouteFunction(const std::string& name,
+                     const std::string& feature_name,
+                     const HandlerFunction& handler_function);
 
   ScriptContext* context() const { return context_; }